/Engine/Source/Editor/UnrealEd/Classes/Editor/UnrealEdEngine.h
Builds a list of sprite categories for use in menus
static void MakeSortedSpriteInfo ( [TArray](API\Runtime\Core\Containers\TArray)< struct [FSpriteCategoryInfo](API\Runtime\Engine\Components\FSpriteCategoryInfo) > & OutSortedSpriteInfo )